The mixed number 210 9/40 written as an improper fraction is 8409/40
To turn the mixed number 210 9/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 210 × 40 = 8400.
After that, add the result to the numerator of the fractional part: 8400 + 9 = 8409.
Next, Write the sum of the previous step on the original denominator: 8409/40.
This means that 210 9/40, as an improper fraction, equals 8409/40.
See also: 210 9/40 as a decimal